CN1833389B - 使用复合权重产生算法雷克接收器中信道增益估算 - Google Patents

使用复合权重产生算法雷克接收器中信道增益估算 Download PDF

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Publication number
CN1833389B
CN1833389B CN2003801039155A CN200380103915A CN1833389B CN 1833389 B CN1833389 B CN 1833389B CN 2003801039155 A CN2003801039155 A CN 2003801039155A CN 200380103915 A CN200380103915 A CN 200380103915A CN 1833389 B CN1833389 B CN 1833389B
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China
Prior art keywords
spread spectrum
complex weight
digital signal
data symbols
produce
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CN2003801039155A
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Chinese (zh)
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CN1833389A (zh
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彬·黎
亚历山大·瑞茨尼克
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InterDigital Technology Corp
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InterDigital Technology Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
CN2003801039155A 2002-11-22 2003-11-17 使用复合权重产生算法雷克接收器中信道增益估算 Expired - Fee Related CN1833389B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42841302P 2002-11-22 2002-11-22
US60/428,413 2002-11-22
PCT/US2003/036760 WO2004049112A2 (en) 2002-11-22 2003-11-17 Channel gain estimation in a rake receiver

Publications (2)

Publication Number Publication Date
CN1833389A CN1833389A (zh) 2006-09-13
CN1833389B true CN1833389B (zh) 2011-01-05

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Family Applications (1)

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CN2003801039155A Expired - Fee Related CN1833389B (zh) 2002-11-22 2003-11-17 使用复合权重产生算法雷克接收器中信道增益估算

Country Status (12)

Country Link
US (1) US6996160B2 (ko)
EP (1) EP1563627A4 (ko)
JP (2) JP2006507762A (ko)
KR (5) KR100767652B1 (ko)
CN (1) CN1833389B (ko)
AR (1) AR042110A1 (ko)
AU (1) AU2003287674A1 (ko)
CA (1) CA2503694A1 (ko)
MY (1) MY131295A (ko)
NO (1) NO20052605L (ko)
TW (3) TWI251988B (ko)
WO (1) WO2004049112A2 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914742A1 (de) * 1999-03-31 2000-10-12 Siemens Ag Verfahren zum Übertragen von Daten
US7769078B2 (en) * 2000-12-22 2010-08-03 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver
TWI357729B (en) * 2003-07-14 2012-02-01 Interdigital Tech Corp High performance wireless receiver with cluster mu
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
KR100630043B1 (ko) * 2003-11-06 2006-09-27 삼성전자주식회사 이동통신시스템의 수신단에서의 주파수 오차 추정 및 결합기
US7313205B2 (en) * 2004-03-30 2007-12-25 Motorola, Inc. Method and apparatus for frequency correction in wireless local area network systems
CN100341250C (zh) * 2004-12-24 2007-10-03 中兴通讯股份有限公司 一种自动增益控制方法
SG124304A1 (en) * 2005-01-20 2006-08-30 St Microelectronics Asia Method and system for adaptive channel estimation in pilot symbol assisted modulation systems
AU2006200464A1 (en) * 2005-02-08 2006-08-24 Nec Australia Pty Ltd Interference cancellation in a spread spectrum receiver
KR100770008B1 (ko) * 2005-12-09 2007-10-25 한국전자통신연구원 직교 주파수 분할 다중화 통신시스템에서 다이버시티를이용한 시간 및 주파수 옵셋 추정 방법 및 그 장치
US8275022B2 (en) * 2007-03-06 2012-09-25 St-Ericsson Sa CDMA receivers and CDMA communications systems
KR100945419B1 (ko) * 2007-03-27 2010-03-04 삼성전자주식회사 광대역 무선통신 시스템에서 슬라이딩 윈도우 채널 추정장치 및 방법
CN101217305B (zh) * 2008-01-02 2011-05-04 华为技术有限公司 专用物理数据信道数据的处理方法和装置
JP2016201676A (ja) * 2015-04-10 2016-12-01 国立大学法人山口大学 通信システム、通信局及び通信方法
EP3644518B1 (en) * 2018-10-23 2021-06-23 Nxp B.V. Optimizing mrc coefficients for rake receiver for increasing snr

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1108869A (zh) * 1993-04-29 1995-09-20 艾利森·Ge·流动通讯有限公司 量化相干瑞克接收机
EP0984576A1 (en) * 1997-12-24 2000-03-08 Ntt Mobile Communications Network Inc. Rake receiver for direct spreading cdma transmission
US6363102B1 (en) * 1999-04-23 2002-03-26 Qualcomm Incorporated Method and apparatus for frequency offset correction
US6393073B1 (en) * 1999-06-28 2002-05-21 Raytheon Company Method of frequency offset estimation and correction for adaptive antennas
US20020163956A1 (en) * 2001-05-03 2002-11-07 Lg Electronics Inc. Receiver for mobile communication system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2751959B2 (ja) * 1996-07-15 1998-05-18 日本電気株式会社 Ｃｄｍａ受信装置の受信タイミング検出回路
US5768307A (en) * 1996-09-13 1998-06-16 Telefonaktiebolaget Lm Ericsson Coherent demodulation with decision-directed channel estimation for digital communication
US6625197B1 (en) * 1998-10-27 2003-09-23 Qualcomm Incorporated Method and apparatus for multipath demodulation in a code division multiple access communication system
KR100288753B1 (ko) * 1998-12-31 2001-05-02 윤종용 멀티캐리어 부호분할다중접속 통신시스템의 수신장치 방법
DE69931521T2 (de) * 1999-11-26 2006-12-21 Nokia Corp. Rake-Empfänger
US6608858B1 (en) * 2000-01-26 2003-08-19 Qualcomm Incorporated Multipath doppler adjusted frequency tracking loop
EP1126637B8 (en) * 2000-02-16 2012-02-08 LG Electronics Inc. Method for synchronizing frame by using pilot pattern in compressed mode
US6901105B1 (en) 2000-08-28 2005-05-31 Koninklijke Philips Electroncs N.V. Tracking of a multi-path resolved signal in a rake receiver
JP3846546B2 (ja) * 2000-08-29 2006-11-15 日本電気株式会社 周波数オフセット推定器
JP3497480B2 (ja) * 2000-09-04 2004-02-16 松下電器産業株式会社 位相回転検出装置及びそれを備えた無線基地局装置
US7613229B1 (en) * 2000-10-02 2009-11-03 St Wireless Sa Method and apparatus for combined finger management and finger lock for a multipath signals in a wireless communication system
KR20020080009A (ko) * 2001-04-10 2002-10-23 주식회사 하이닉스반도체 이동통신단말기용 신호복조장치
US7035315B2 (en) * 2001-04-24 2006-04-25 Lucent Technologies Inc. Doppler corrected communications receiver and method of removing doppler frequency shift
EP1263179B1 (en) * 2001-05-29 2007-06-27 Lucent Technologies Inc. Channel estimation for a CDMA system using coded control symbols as additional pilot symbols
WO2003036760A1 (fr) * 2001-10-22 2003-05-01 Sumida Corporation Bobine d'antenne et antenne de transmission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1108869A (zh) * 1993-04-29 1995-09-20 艾利森·Ge·流动通讯有限公司 量化相干瑞克接收机
EP0984576A1 (en) * 1997-12-24 2000-03-08 Ntt Mobile Communications Network Inc. Rake receiver for direct spreading cdma transmission
US6363102B1 (en) * 1999-04-23 2002-03-26 Qualcomm Incorporated Method and apparatus for frequency offset correction
US6393073B1 (en) * 1999-06-28 2002-05-21 Raytheon Company Method of frequency offset estimation and correction for adaptive antennas
US20020163956A1 (en) * 2001-05-03 2002-11-07 Lg Electronics Inc. Receiver for mobile communication system

Also Published As

Publication number Publication date
NO20052605D0 (no) 2005-05-30
JP2009071876A (ja) 2009-04-02
MY131295A (en) 2007-08-30
CN1833389A (zh) 2006-09-13
TW200737759A (en) 2007-10-01
KR100767652B1 (ko) 2007-10-17
AU2003287674A8 (en) 2004-06-18
TWI251988B (en) 2006-03-21
KR20050096209A (ko) 2005-10-05
WO2004049112A3 (en) 2004-12-23
JP2006507762A (ja) 2006-03-02
TW200516881A (en) 2005-05-16
AU2003287674A1 (en) 2004-06-18
CA2503694A1 (en) 2004-06-10
US6996160B2 (en) 2006-02-07
NO20052605L (no) 2005-05-30
KR100923518B1 (ko) 2009-10-27
KR100979153B1 (ko) 2010-08-31
KR20080108358A (ko) 2008-12-12
KR20090118076A (ko) 2009-11-17
JP4365446B2 (ja) 2009-11-18
EP1563627A4 (en) 2009-11-04
KR100979151B1 (ko) 2010-08-31
EP1563627A2 (en) 2005-08-17
WO2004049112A2 (en) 2004-06-10
US20040156423A1 (en) 2004-08-12
KR20090061676A (ko) 2009-06-16
AR042110A1 (es) 2005-06-08
TWI357228B (en) 2012-01-21
KR20050083940A (ko) 2005-08-26
TWI337014B (en) 2011-02-01
KR100944175B1 (ko) 2010-02-26
TW200419937A (en) 2004-10-01

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